Beijing was freed from warlord control in 1928 using the map key

True, Beijing was free after its 1928 liberation until the Second Sino-Japanese War, in which the city fell on July 29, 1937. It was made the seat of the Provisional Government of the Republic of China a puppet government of Japanese-occupied China.

brainliest means the answer that is best and you found it very

if you ask any question and 2 persons gave you answer for your question and the answer of one person you liked the most and found it most the we can mark it as brainliest . at the side of every person's answer an option of brainliet then we can appericiate the user by marking it as brainlist

if someone marks our answer as brainliest then we can get ranks also

done.